<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>商品详情</title>
    <!-- jquery -->
    <script type="text/javascript" src="/js/jquery.min.js"></script>
    <!-- bootstrap -->
    <link rel="stylesheet" type="text/css" href="/bootstrap/css/bootstrap.min.css"/>
    <script type="text/javascript" src="/bootstrap/js/bootstrap.min.js"></script>
    <!-- layer -->
    <script type="text/javascript" src="/layer/layer.js"></script>
    <!-- common.js -->
    <script type="text/javascript" src="/js/common.js"></script>
</head>
<body>
<div class="panel panel-default">
    <div class="panel-heading">秒杀商品详情</div>
    <div class="panel-body">
        <span id="userTip"> 您还没有登录，请登陆后再操作<br/></span>
        <span>没有收货地址的提示。。。</span>
    </div>
    <table class="table" id="goods">
        <tr>
            <td>商品名称</td>
            <td colspan="3" id="goodsName"></td>
        </tr>
        <tr>
            <td>商品图片</td>
            <td colspan="3"><img id="goodsImg" width="200" height="200"/></td>
        </tr>
        <tr>
            <td>秒杀开始时间</td>
            <td id="startTime"></td>
            <td>
                <input type="hidden" id="remainSeconds">
                <!--                <span th:if="${secKillStatus eq 0}">秒杀倒计时: <span id="countDown" th:text="${remainSeconds}"></span>秒-->
                <!--                </span>-->
                <!--                <span th:if="${secKillStatus eq 1}">秒杀进行中</span>-->
                <!--                <span th:if="${secKillStatus eq 2}">秒杀已结束</span>-->
                <span id="seckillTip"></span>
            </td>
            <td>
                <!--                <form id="secKillForm" method="post" action="/seckill/doSeckill">-->
                <!--                    <input type="hidden" name="goodsId" id="goodsId">-->
                <!--                    <button class="btn btn-primary btn-block" type="submit" id="buyButton">立即秒杀</button>-->
                <!--                </form>-->
                <div class="row">
                    <div class="form-inline">

                        <!-- 验证码版 -->
                        <!-- &lt;!&ndash; 基础秒杀 doSeckill1&ndash;&gt; -->
                        <!--<img id="captchaImg" width="130" height="32" onclick="refreshCaptcha()" style="display: none">
                        <input id="captcha" class="form-control" style="display: none">
                        <form id="secKillForm" method="post" action="/seckill/doSeckill1">
                            <input type="hidden" name="goodsId" id="goodsId">
                            <button class="btn btn-primary btn-block" type="submit" id="buyButton">立即秒杀1</button>
                        </form>-->

                        <!-- 静态化 redis预减+MQ优化 对应doSeckill2-->
                        <button class="btn btn-primary" type="submit" id="buyButton" onclick="doSecKill2()">立即秒杀2
                            <input type="hidden" name="goodsId" id="goodsId">
                        </button>

                        <!-- 最终方案  添加安全等-->
                        <!--<button class="btn btn-primary" type="submit" id="buyButton"
                                onclick="getSeckillPath()">立即秒杀
                            <input type="hidden" name="goodsId" id="goodsId">
                        </button>-->

                    </div>
                </div>
            </td>
        </tr>
        <tr>
            <td>商品原价</td>
            <td colspan="3" id="goodsPrice"></td>
        </tr>
        <tr>
            <td>秒杀价</td>
            <td colspan="3" id="seckillPrice"></td>
        </tr>
        <tr>
            <td>库存数量</td>
            <td colspan="3" id="stockCount"></td>
        </tr>
    </table>
</div>
</body>
<script>
    $(function () {
        // countDown();
        getDetails();
    });

    /**
     * 请求商品信息
     */
    function getDetails() {
        var goodsId = g_getQueryString("goodsId");
        console.log(goodsId);
        $.ajax({
            url: '/goods/detail?goodsId=' + goodsId,
            type: 'GET',
            success: function (data) {
                if (data.code == 200) {
                    render(data.data);
                    countDown();
                } else {
                    layer.msg("客户端请求出错");
                }
            },
            error: function () {
                layer.msg("客户端请求出错");
            }
        })
    }

    /**
     * 渲染数据
     * @param detail
     */
    function render(detail) {
        var user = detail.user;
        var goodsVo = detail.goodsVo;
        var remainSeconds = detail.remainSeconds;
        if (user) {
            $("#userTip").hide();
        }
        $("#goodsName").text(goodsVo.goodsName);
        $("#goodsImg").attr("src", goodsVo.goodsImg);
        $("#startTime").text(new Date(goodsVo.startDate).format("yyyy-MM-dd HH:mm:ss"));
        $("#remainSeconds").val(remainSeconds);
        $("#goodsId").val(goodsVo.id);
        $("#goodsPrice").text(goodsVo.goodsPrice);
        $("#seckillPrice").text(goodsVo.seckillPrice);
        $("#stockCount").text(goodsVo.stockCount);

    }

    /**
     * 计数
     */
    function countDown() {
        var remainSeconds = $("#remainSeconds").val();
        var timeout;
        //秒杀还未开始
        if (remainSeconds > 0) {
            $("#buyButton").attr("disabled", true);
            $("#seckillTip").html("秒杀倒计时：" + remainSeconds + "秒");
            timeout = setTimeout(function () {
                // $("#countDown").text(remainSeconds - 1);
                $("#remainSeconds").val(remainSeconds - 1);
                countDown();
            }, 1000);
            // 秒杀进行中
        } else if (remainSeconds == 0) {
            $("#buyButton").attr("disabled", false);
            if (timeout) {
                clearTimeout(timeout);
            }
            $("#seckillTip").html("秒杀进行中")
            refreshCaptcha();
            $("#captchaImg").show();
            $("#captcha").show();
        } else {
            $("#buyButton").attr("disabled", true);
            $("#seckillTip").html("秒杀已经结束");
            $("#captchaImg").hide();
            $("#captcha").hide();
        }
    }

    function refreshCaptcha() {
        $("#captchaImg").attr("src", "/seckill/captcha?goodsId=" + $("#goodsId").val() + "&time=" + new Date());
    }

    function getSeckillPath() {
        var goodsId = $("#goodsId").val();
        var captcha = $("#captcha").val();
        g_showLoading();
        $.ajax({
            url: "/seckill/path",
            type: "GET",
            data: {
                goodsId: goodsId,
                captcha:captcha
            },
            success: function (data) {
                if (data.code == 200) {
                    var path = data.object;
                    doSecKill(path);
                } else {
                    layer.msg(data.message);
                }
            },
            error: function () {
                layer.msg("客户端请求错误");
            }
        });
    }

    //秒杀方法
    function doSecKill(path) {
        $.ajax({
            url: 'seckill/' + path + '/doSeckill',
            type: "POST",
            data: {
                goodsId: $('#goodsId').val()
            },
            success: function (data) {
                if (data.code == 200) {
                    // window.location.href="/orderDetail.html?orderId="+data.object.id;
                    getResult($("#goodsId").val());
                } else {
                    layer.msg(data.message);
                }
            }, error: function () {
                layer.msg("客户端请求出错");
            }

        });
    }

    //秒杀方法2: 1基础上优化： 静态化 redis预减 MQ优化
    function doSecKill2() {
        $.ajax({
            url: '/seckill/doSeckill2',
            type: "POST",
            data: {
                goodsId: $('#goodsId').val()
            },
            success: function (data) {
                if (data.code == 200) {
                    // window.location.href="/orderDetail.html?orderId="+data.data.id;
                    getResult($("#goodsId").val());
                } else {
                    layer.msg(data.message);
                }
            }, error: function () {
                layer.msg("客户端请求出错");
            }

        });
    }

    function getResult(goodsId) {
        g_showLoading();
        $.ajax({
            url: "/seckill/getResult",
            type: "GET",
            data: {
                goodsId: goodsId
            },
            success: function (data) {
                if (data.code === 200) {
                    var result = data.data;
                    if (result < 0) {
                        layer.msg("对不起，秒杀失败");
                    } else if (result === 0) {
                        setTimeout(function () {
                            getResult(goodsId)
                        }, 1000);
                    } else {
                        layer.confirm("恭喜您，秒杀成功！查看订单？", {btn: ["确定", "取消"]},
                            function () {
                                window.location.href = "/orderDetail.html?orderId=" + result;
                            },
                            function () {
                                layer.close();
                            }
                        )
                    }
                }
            },
            error: function () {
                layer.msg("客户端请求错误");
            }
        });
    }

</script>
</html>